From: Minchan Kim <minchan@kernel.org>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Joonsoo Kim <js1304@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH v2 3/3] mm/zsmalloc: increase ZS_MAX_PAGES_PER_ZSPAGE
Date: Mon, 22 Feb 2016 13:41:45 +0900 [thread overview]
Message-ID: <20160222044145.GE27829@bbox> (raw)
In-Reply-To: <20160222035954.GC11961@swordfish>
On Mon, Feb 22, 2016 at 12:59:54PM +0900, Sergey Senozhatsky wrote:
> On (02/22/16 11:34), Minchan Kim wrote:
> [..]
> > > I'll take a look at dynamic class page addition.
> >
> > Thanks, Sergey.
> >
> > Just a note:
> >
> > I am preparing zsmalloc migration now and almost done so I hope
> > I can send it within two weeks. In there, I changed a lot of
> > things in zsmalloc, page chaining, struct page fields usecases
> > and locking scheme and so on. The zsmalloc fragment/migration
> > is really painful now so we should solve it first so I hope
> > you help to review that and let's go further dynamic chaining
> > after that, please. :)
>
> oh, sure.
>
> so let's keep dynamic page allocation out of sight for now.
> I'll do more tests with the increase ORDER and if it's OK then
> hopefully we can just merge it, it's quite simple and shouldn't
> interfere with any of the changes you are about to introduce.
Thanks.
And as another idea, we could try fallback approach that
we couldn't meet nr_pages to minimize wastage so let's fallback
to order-0 page like as-is. It will enhance, at least than now
with small-amount of code compared to dynmaic page allocation.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2016-02-22 4:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-21 13:27 [RFC][PATCH v2 0/3] mm/zsmalloc: increase objects density and reduce memory wastage Sergey Senozhatsky
2016-02-21 13:27 ` [RFC][PATCH v2 1/3] mm/zsmalloc: introduce zs_get_huge_class_size_watermark() Sergey Senozhatsky
2016-02-21 13:27 ` [RFC][PATCH v2 2/3] zram: use zs_get_huge_class_size_watermark() Sergey Senozhatsky
2016-02-22 0:04 ` Minchan Kim
2016-02-22 0:40 ` Sergey Senozhatsky
2016-02-22 1:27 ` Minchan Kim
2016-02-22 1:59 ` Sergey Senozhatsky
2016-02-22 2:05 ` Sergey Senozhatsky
2016-02-22 2:57 ` Minchan Kim
2016-02-22 3:54 ` Sergey Senozhatsky
2016-02-22 4:54 ` Minchan Kim
2016-02-22 5:05 ` Sergey Senozhatsky
2016-02-21 13:27 ` [RFC][PATCH v2 3/3] mm/zsmalloc: increase ZS_MAX_PAGES_PER_ZSPAGE Sergey Senozhatsky
2016-02-22 0:25 ` Minchan Kim
2016-02-22 0:47 ` Sergey Senozhatsky
2016-02-22 1:34 ` Minchan Kim
2016-02-22 2:01 ` Sergey Senozhatsky
2016-02-22 2:34 ` Minchan Kim
2016-02-22 3:59 ` Sergey Senozhatsky
2016-02-22 4:41 ` Minchan Kim [this message]
2016-02-22 10:43 ` Sergey Senozhatsky
2016-02-23 8:25 ` Minchan Kim
2016-02-23 10:35 ` Sergey Senozhatsky
2016-02-23 16:05 ` Minchan Kim
2016-02-27 6:31 ` Sergey Senozhatsky
2016-02-22 2:24 ` Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160222044145.GE27829@bbox \
--to=minchan@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=js1304@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=sergey.senozhatsky.work@gmail.com \
--cc=sergey.senozhatsky@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).